Irvington, KY 40146 Frost Dates
Irvington, KY: when does the frost end?
Around 04/25 is the usual last spring frost, about 240 days away. Fall's first freeze usually shows up around 10/16, roughly 172 days after the last spring frost.
The USDA Plant Hardiness Zone Map puts Irvington in Zone 7a (0 to 5°F average annual minimum); frost dates are NOAA's 1991-2020 station normal, not this year's forecast.
Stretching the season past the first frost
With roughly 7 weeks until Irvington's first fall frost, a row cover or cold frame is what stretches the last few weeks of harvest here.
The actual range around Irvington's last frost
04/25 is the middle of 30 years of NOAA records, not a promise. Getting tender plants in by 04/11 carries real risk, frost has hit that late in about 9 of 10 years here. Wait until 05/12 and only about 1 year in 10 sees frost after that.
Irvington against the rest of the dataset
About 172 days separate Irvington's last and first frost, putting it 28,378 of 40,283 ZIP codes nationally. Within KY, it ranks 860 of 909.
Learn more
Before leaning on 40146's figures: local microclimates explains what one yard in Irvington can differ from the 40146 normal, while zone vs. frost date explains why Zone 7a and Irvington's frost date answer different questions.